CheckUp is simple to use and allows cat parents to take an active role in their pet’s health. Use CheckUp in between routine visits to the veterinarian or for regular urine collection and monitoring, as recommended by your veterinarian. Ideal for aging & overweight cats. 60 second testing. Easy to use. Biodegradable & non-toxic. Noninvasive &stress-free. Recommended by top veterinarians. All-natural & non-toxic. Obtain a clean, uncontaminated sample. On-the-spot results.